." >> oracle team brings the thrill of america's cup to everyone today. visitors get a chance to appreciate fan appreciation day and encountered an ac-45 catamaran. america's cup itself, oldest trophy in international sports is going to be on display, as well. you can check it out at pavilion yerba buena gardens from 10:00 in the morning until 5:00 in the evening. one of i think events going on today. >> not only that the weather is changing dramatically. we're not talking about a one, two day event. we're talking about four days. it's autumn so a summer heat wave that comes and goes. we are talking about marine layer disappearing in the next couple of hours. this is high definition emeryville camera. because of the changing weather, a spare-the-air day today and excessive heat watch tomorrow and into monday. we'll show you the record to beat in a few moments. right now, live doppler 7 hd showing that the low clouds and fog not only along the shoreline. it's been foggy from san jose and just about through napa but stopping around fairfield and concord. th